What are some alternatives?
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Tresorit - Encrypted cloud storage for your confidential files. Using Tresorit, files are encrypted before being uploaded to the cloud. Start encrypting files for free.
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of...
Pibox - Cloud-based messenger for HQ files
Standard Notes - A safe place for your notes, thoughts, and life's work
Tresorit Send - Ultra-secure, end-to-end encrypted large file sharing.